/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package pe.gob.pnp.servlets;

import java.awt.Graphics2D;
import java.awt.image.*;
import java.io.*;
import java.sql.*;
import javax.imageio.*;
import javax.servlet.*;
import javax.servlet.http.*;
import pe.gob.pnp.despachadores.*;

/**
 *
 * @author PC
 */
public class FolioServlet extends HttpServlet {
   
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        int nfoliIdentificador = Integer.parseInt(request.getParameter("nfoliIdentificador"));
        response.setContentType("image/jpeg");
        OutputStream out = response.getOutputStream();
        try {

            BufferedImage imagen = FolioDespachador.obtenerStreamFolio(nfoliIdentificador);
            int ancho = 750;
            int alto = 950;
            BufferedImage img=new BufferedImage(ancho, alto,BufferedImage.TYPE_INT_RGB);
            Graphics2D g=img.createGraphics();
            g.drawImage(imagen, 0, 0, ancho, alto, null);
            g.dispose();
            ImageIO.write(img, "jpg", out);
        } catch (SQLException ex) {
            throw new ServletException(ex);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
